Powershell 超时服务 [英] Powershell timeout service

问题描述

我正在尝试在 Powershell 中启动服务.如果服务在指定的时限内没有启动，启动的尝试应该被终止，否则它应该照常进行.如何合并超时?

I am trying to start a service in Powershell. If the service does not start within a specified time limit, the attempt to start should be killed, otherwise it should carry on as usual. How do I incorporate a timeout?

推荐答案

使用后台作业实现超时是一件非常简单的事情:

Implementing a timeout is a really simple thing to do using background jobs:

$timeout = [Timespan]"0:0:15"
$start = Get-Date
$j = Start-Job -ScriptBLock { Import-Module MyModule; Invoke-MyCommand}
do {
    if ($j.JobState -ne 'Running') { break} 
    $j | Receive-Job
} while (((Get-Date) - $start) -le $timeout)

此代码块将在 15 秒后超时，但它应该可以帮助您入门.基本上:- 跟踪时间- 开始工作- 等待它不再运行(它可能已经失败，所以不要只是等待完成)- 在等待时接收结果- 等待时间过长的超时

This block of code will timeout after 15 seconds, but it should get you started. Basically: - Track the time - Start a job - Wait for it to be no longer running (it could have failed, so don't just wait for completed) - Receive Results while you wait - Timeout if you've been waiting too long

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